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经营范围
发明名称
Stropping and honing device
摘要
申请公布号
US2024272(A)
申请公布日期
1935.12.17
申请号
US19330690258
申请日期
1933.09.20
申请人
DARWINS LIMITED
发明人
BROWN WILLIAM
分类号
B24D15/08
主分类号
B24D15/08
代理机构
代理人
主权项
地址
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